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D71X/D371X

D71X/D371X sandwich soft seal butterfly valve

Nominal pressure:PN1.0~1.6MPa
Nominal diameter:DN50~600mm

The valve is widely used in construction, chemical industry, medicine, textile, shipbuilding and other industries of all kinds of drainage pipes, as a cut-off and adjustment equipment.

1, two-way sealing without medium flow requirements, small installation space;

2, stainless steel butterfly corrosion resistance;

3, removable rubber sleeve, reliable sealing, easy to replace;

4, with the opening indicator dial, display the valve disc switch position, to achieve the flow control function.


Executive standard

Design and manufacturing standard: GB/T12238-2008

Flange connection size: GB2555

Test standard: GB/T13927

Connection mode: clamp


Performance specification

Nominal pressure: PN10, PN16

Nominal diameter: DN50~600mm

Applicable temperature: ≤100℃

Applicable media: water, gas, oil


Main parts material

Valve shaft - stainless steel

Butterfly plate - ductile iron chromium plated/stainless steel

Body - ductile iron/cast steel

Body liner - nitrile butadiene rubber/EPDM

Handle - Aluminum alloy